<?php
/**
 * Enter description here ...
 *
 * @author Shi Long <long.shi@alibaba-inc.com>
 * @copyright ©2003-2103 phpwind.com
 * @license http://www.windframework.com
 *
 * @version $Id: PwUpgradeLog.php 21577 2012-12-11 08:32:31Z long.shi $
 */
class PwUpgradeLog
{
    const UPGRADE = 1;
    const PATCH = 2;

    /**
     * 获取一个日志.
     *
     * @param unknown_type $id
     *
     * @return Ambigous <multitype:, multitype:unknown , mixed>
     */
    public function get($id)
    {
        $r = $this->_dao()->get($id);
        $r && $r['data'] = unserialize($r['data']);

        return $r;
    }

    /**
     * 根据类型获取.
     *
     * @param unknown_type $type
     *
     * @return Ambigous <multitype:, multitype:multitype: Ambigous <multitype:,
     *                  multitype:unknown , mixed> >
     */
    public function getByType($type)
    {
        return $this->_dao()->getByType($type);
    }

    /**
     * 添加一个日誌.
     *
     * @param unknown_type $id
     * @param unknown_type $rule
     * @param unknown_type $name
     * @param unknown_type $status
     * @param unknown_type $time
     *
     * @return Ambigous <boolean, number, string, rowCount>
     */
    public function addLog($id, $data, $type = self::UPGRADE)
    {
        return $this->_dao()->add($id, $type, $data);
    }

    /**
     * 删除一个补丁
     *
     * @param unknown_type $id
     *
     * @return Ambigous <number, boolean, rowCount>
     */
    public function delete($id)
    {
        return $this->_delete($id);
    }

    /**
     * @return PwUpgradeLogDao
     */
    private function _dao()
    {
        return Wekit::loadDao('patch.dao.PwUpgradeLogDao');
    }
}
